Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890293 | Semiconductor laser device | Mototaka Taneya, Kosei Takahashi, Toshiro Hayakawa, Sadayoshi Matsui, Mitsuhiro Matsumoto | 1989-12-26 |
| 4878223 | Semiconductor laser array device | Taiji Morimoto, Mitsuhiro Matsumoto, Mototaka Taneya, Sadayoshi Matsui | 1989-10-31 |
| 4872174 | Semiconductor laser device having a grating structure | Sadayoshi Matsui, Mototaka Taneya, Mitsuhiro Matsumoto, Haruhisa Takiguchi, Hiroaki Kudo | 1989-10-03 |
| 4856015 | Semiconductor laser array device | Sadayoshi Matsui, Mototaka Taneya, Mitsuhiro Matsumoto | 1989-08-08 |